﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace NetCoreExceptionIntroduce
{
    public class Startup
    {
        private readonly ILoggerFactory _loggerFactory;
        private readonly ILogger _logger;

        public Startup(IConfiguration configuration,
            ILoggerFactory loggerFactory)
        {
            _loggerFactory = loggerFactory;
            _logger = loggerFactory.CreateLogger<Startup>();
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();//.AddMvcOptions()
            // services.AddMvc(options =>
            // {
            // });

            services.AddSingleton<IServiceA, ServiceA>();
            services.AddSingleton<IServiceA, ServiceA>();
            _logger.LogInformation("============================================================================");
            foreach (var serviceDescriptor in services)
            {
                _logger.LogInformation($"ServiceType={serviceDescriptor.ServiceType},ImplementationType={serviceDescriptor.ImplementationType},Lifetime={serviceDescriptor.Lifetime}");
            }
            _logger.LogInformation("============================================================================");
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }
    }
}
